ever replaced a rod bearing in the vehicle?

conman · 04-14-2009, 03:15 PM

I have a spun bearing I believe and I dont have a way to get the engine completely out of my 86 4runner., can it be done in the truck?

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conman · 04-16-2009, 06:53 PM

well , I guess not.....lol
anyway, I pulled the bolts out of the oil pan and without jacking up the motor and removing the motor mounts, no way to get the pan out of the way to even see the crank journals or rods.
so, with that said, I ordered a complete motor rebuild kit and started removing everything I need to pull the motor.

RevNL · 04-17-2009, 11:24 AM

I've never tried on a Toyota. Sometimes you can unbolt the mounts and jack the engine up enough to pull the pan. Sometimes it is easier with the crankshaft in a certain position.

Either way, once a bearing is spun, the crank needs to be resurfaced. Time to buy/rent/borrow an engine crane.

TOYOTA 1 · 04-17-2009, 11:38 AM

Ive done it twice (91 truck and a 86 4runner). though i changed them out at the first sign of noise(no knocking, just a slight rattle). if you catch it quick enough it should be fine, but if its knocking, then its more than likely time for a crank grind and some over sized bearings.

algranger · 04-17-2009, 12:23 PM

YEah you can replace them in the truck its easy but if you have a spun bearing, new bearings wont fix it your crank is probly scored up and needs to be turned and i'm guessing the rod is scored too

conman · 04-17-2009, 03:24 PM

Quote:

Originally Posted by RevNL

I've never tried on a Toyota. Sometimes you can unbolt the mounts and jack the engine up enough to pull the pan. Sometimes it is easier with the crankshaft in a certain position.

Either way, once a bearing is spun, the crank needs to be resurfaced. Time to buy/rent/borrow an engine crane.

What....lol,
this is a TOYOTA forum......just kidding...

conman · 04-17-2009, 03:26 PM

Quote:

Originally Posted by algranger

YEah you can replace them in the truck its easy but if you have a spun bearing, new bearings wont fix it your crank is probly scored up and needs to be turned and i'm guessing the rod is scored too

yeah, I know....... It was just wishful hinking. and it is knocking after it warms up so I just said screw it and am going to rebuild the whole thing.
I borrowed a motor lift and stand so at least I wont have to do it on the ground.

04-17-2009, 11:24 AM	#3 (permalink)
RevNL Registered User Join Date: Jan 2008 Posts: 76	I've never tried on a Toyota. Sometimes you can unbolt the mounts and jack the engine up enough to pull the pan. Sometimes it is easier with the crankshaft in a certain position. Either way, once a bearing is spun, the crank needs to be resurfaced. Time to buy/rent/borrow an engine crane. __________________ 1993 Toyota Xtra-Cab - Mods In Process: 5.7L TPI V8, 4L60, NP208, Dana 44 F, Ford 9" R, Lift

04-17-2009, 12:23 PM	#5 (permalink)
algranger Registered User Join Date: Aug 2007 Location: Here in the PNW Posts: 3,264	YEah you can replace them in the truck its easy but if you have a spun bearing, new bearings wont fix it your crank is probly scored up and needs to be turned and i'm guessing the rod is scored too __________________ . . . I said lie, for me lying under a process tree . . . .

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04-16-2009, 06:53 PM	#2 (permalink)
conman Registered User Join Date: Aug 2007 Posts: 20	well , I guess not.....lol anyway, I pulled the bolts out of the oil pan and without jacking up the motor and removing the motor mounts, no way to get the pan out of the way to even see the crank journals or rods. so, with that said, I ordered a complete motor rebuild kit and started removing everything I need to pull the motor.